[INFO] fetching crate nested-ref 0.1.0... [INFO] checking nested-ref-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate nested-ref 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate nested-ref 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate nested-ref 0.1.0 [INFO] finished tweaking crates.io crate nested-ref 0.1.0 [INFO] tweaked toml for crates.io crate nested-ref 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b15ed1cb7ec27222af3c940a9ac6cbe9acc77972733027f04743eb3c8f255d85 [INFO] running `Command { std: "docker" "start" "-a" "b15ed1cb7ec27222af3c940a9ac6cbe9acc77972733027f04743eb3c8f255d85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b15ed1cb7ec27222af3c940a9ac6cbe9acc77972733027f04743eb3c8f255d85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b15ed1cb7ec27222af3c940a9ac6cbe9acc77972733027f04743eb3c8f255d85", kill_on_drop: false }` [INFO] [stdout] b15ed1cb7ec27222af3c940a9ac6cbe9acc77972733027f04743eb3c8f255d85 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8e5375aa5669aaa430cde7027a096d63e4c2cb8f928c9083357a90bd1aeec31 [INFO] running `Command { std: "docker" "start" "-a" "e8e5375aa5669aaa430cde7027a096d63e4c2cb8f928c9083357a90bd1aeec31", kill_on_drop: false }` [INFO] [stderr] Checking nested-ref v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result, RefMut<'_, T>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exclusive.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn filter_map(orig: Self, f: F) -> Result, Self> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | match RefMut::filter_map(orig.inner, f) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result, Ref<'_, T>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/shared.rs:124:15 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn filter_map(orig: Self, f: F) -> Result, Self> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 124 | match Ref::filter_map(orig.inner, f) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nested-ref` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `Result, RefMut<'_, T>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/exclusive.rs:99:15 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn filter_map(orig: Self, f: F) -> Result, Self> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 99 | match RefMut::filter_map(orig.inner, f) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `Result, Ref<'_, T>>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/shared.rs:124:15 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn filter_map(orig: Self, f: F) -> Result, Self> [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 124 | match Ref::filter_map(orig.inner, f) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `nested-ref` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "e8e5375aa5669aaa430cde7027a096d63e4c2cb8f928c9083357a90bd1aeec31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8e5375aa5669aaa430cde7027a096d63e4c2cb8f928c9083357a90bd1aeec31", kill_on_drop: false }` [INFO] [stdout] e8e5375aa5669aaa430cde7027a096d63e4c2cb8f928c9083357a90bd1aeec31